Bunn CWTF-APS-MV Instruction De Maintenance
Page 18
ON/OFF SWITCHES
SERVICE (cont.)
FIG. 7 ON/OFF SWITCHES
P1417
CWTF
MODELS
CWTF-APS
MODELS
28182 090100
FIG. 8 ON/OFF SWITCH TERMINALS
6. Check for continuity across the center and lower
terminal with the switch in the "ON" (upper) posi-
tion. Continuity must not be present when the
switch is in the "OFF" (lower) position.
tion. Continuity must not be present when the
switch is in the "OFF" (lower) position.
If continuity is present as described, reconnect the
black wire to the center terminal and the remaining
wire to the lower terminal.
If continuity is not present as described, replace the
switch.
black wire to the center terminal and the remaining
wire to the lower terminal.
If continuity is not present as described, replace the
switch.
Removal and Replacement:
1. Remove the wires from the switch terminals.
2. Turn off water supply and remove faucet.
3. Remove front end cap.
4. Compress the clips inside the hood and gently
1. Remove the wires from the switch terminals.
2. Turn off water supply and remove faucet.
3. Remove front end cap.
4. Compress the clips inside the hood and gently
push the switch through the opening.
5. Push the new switch into the opening and spread
the clips to hold switch in the hood.
6. Reinstall front end cap.
7. Reinstall faucet and connect brewer to the water
7. Reinstall faucet and connect brewer to the water
supply.
8. Refer to Fig. 8 when reconnecting the wires.
Location:
The ON/OFF switches are located on the front of the
hood.
Test Procedure:
1. Disconnect the brewer from the power source.
2. Viewing the switch from the back remove the white
1. Disconnect the brewer from the power source.
2. Viewing the switch from the back remove the white
wire from the upper terminal and the black wire
from the center terminal.
from the center terminal.
3. With a voltmeter, check the voltage across the
white wire and the black wire. Connect the brewer
to the power source. The indication must be:
a) 120 volts ac for two wire 120 volt models.
b) 120 volts ac for three wire 120/208 volt or 120/
240 volt models.
to the power source. The indication must be:
a) 120 volts ac for two wire 120 volt models.
b) 120 volts ac for three wire 120/208 volt or 120/
240 volt models.
4. Disconnect the brewer from the power source.
If voltage is present as described, reconnect the white
wire and proceed to #5.
If voltage is not present as described, refer to the
Wiring Diagram and check the brewer wiring harness.
wire and proceed to #5.
If voltage is not present as described, refer to the
Wiring Diagram and check the brewer wiring harness.
5. With the black wire removed, remove the wire
from the lower terminal.
WHI to Terminal Block
(White Insert)
(White Insert)
BLK to Terminal Block
(Black Insert)
(Black Insert)
Terminal #1 (See Chart below)
P1918
Connect wire to Terminal #1 as follows:
CWTF Models:
Lower Warmer ........................................................ WHI/RED
Front Warmer ......................................................... BRN/BLK
Rear Warmer ................................................................... VIO
Lower Warmer ........................................................ WHI/RED
Front Warmer ......................................................... BRN/BLK
Rear Warmer ................................................................... VIO
CWTF-APS, TS & TSR Models:
Start Switch ............................................................ WHI/RED
Start Switch ............................................................ WHI/RED